document.write( "Question 519211: if 15 calls were made last week 23 calls made this week how many calls need to be made this week to average at least 20 calls per week in a three week period. \n" ); document.write( "
Algebra.Com's Answer #345448 by rfer(16322)\"\" \"About 
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(15+23+x)/3=20
\n" ); document.write( "38+x=20*3
\n" ); document.write( "38+x=60
\n" ); document.write( "x=60-38
\n" ); document.write( "x=22
\n" ); document.write( "
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